Add 21/50 and 3/12
21/50 + 3/12 is 67/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 50 × 6 = 300,
21/50 = 21 × 6/50 × 6 = 126/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
3/12 = 3 × 25/12 × 25 = 75/300 - Add the two like fractions:
126/300 + 75/300 = 126 + 75/300 = 201/300 - 201/300 simplified gives 67/100
- So, 21/50 + 3/12 = 67/100
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